The CostScenarioProjects entity set has a default maximum page limit of 200 cost scenario projects in one query. For information about how to query for more than 200 cost scenario projects, and how to get and set the page limit, see ProjectData - OData service reference.

Each entity set has a specific page-size limit. For information about page limits for on-premises and online ProjectData queries and
how to set the on-premises page limit, see ProjectData - OData service reference.